Browse TRAIL Inventories

Alumina miniplant operations :separation of aluminum chloride liquor from leach residue by horizontal belt filtration

Pressure leaching alumina from raw kaolinitic clay using hydrochloric acid

Electrolytic reduction of cobalt in ammoniacal leach solutions

Cobalt recovery from copper leach solutions

A technology for integrity testing of in situ leach mining wells using a system of inflatable packers

Chlorine-oxygen leaching of a low-grade zinc sulfide flotation concentrate

Hot acid leaching of vanadium from western phosphate beneficiation tailings

Removal of magnesia from dolomitic southern Florida phosphate concentrates by aqueous SO₂ leaching

Hydrochloric acid-oxygen leaching and metal recovery from copper-nickel bulk sulfide concentrate

Recovery of lithium from a montmorillonite-type clay

Influence of chelating reagents on leaching of copper ore

Defluorination of byproduct zinc concentrates

Recovery of platinum, palladium, and gold from Stillwater Complex flotation concentrate by a roasting-leaching procedure

Recovery of silver, gold, and lead from a complex sulfide ore using ferric chloride, thiourea, and brine leach solutions

Hydrometallurgical process for producing lead and elemental sulfur from galena concentrates

Calcium chloride-oxygen leaching and metals recovery from an arsenical copper-cobalt concentrate

Recovery of mercury from concentrates by cupric chloride leaching and aqueous electrolysis

Preparation of titanium feedstock from Minnesota ilmenite by smelting and sulfation-leaching

Silver-catalyzed oxidative leaching of an arsenical copper sulfide concentrate

Cobalt and nickel from lead-smelter matte :purification of leach liquor

Dual leaching method for recovering silver and manganese from domestic manganifferrous silver deposits

Leaching of phosphate values from two central Florida ores using H₂SO₄-methanol mixtures

Leaching of domestic manganese ores with dissolved SO₂

Recovery of cobalt from spent copper leach solution using continuous ion exchange

Leaching gold-silver ores with sodium cyanide and thiourea under comparable conditions

Metal recovery from secondary copper converter dust by ammoniacal carbonate leaching

Recovery of cobalt from spent copper leach solutions -improved elution and impurity removal techniques, with revised process economics

Na₂CrO₄ from domestic chromite concentrates by an alkali-fusion method

Recovery of lead and silver from plumbojarosite by hydrothermal sulfidation and chloride leaching

Alkaline oxidative leaching of gold-bearing arsenopyrite ores

Recovery of principal metal values from waste hydroprocessing catalysts

Alumina recovery from copper dump leaching liquors using a supported liquid membrane

Tungsten and gold recovery from Alaskan scheelite-bearing ores

Pressure leaching of galena concentrates to recover lead metal and elemental sulfur

Leaching of pyroxmangite ore with calcium fluoride and sulfuric acid

Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions

CaF₂-enhanced HCl leaching of a manganese-bearing silicate ore

Method for recovering anhydrous ZnCl₂ from aqueous solutions

Effects of turbomilling parameters on the simultaneous grinding and ferric sulfate leaching of chalcopyrite

Leaching sulfidation-partitioned chalcopyrite to selectively recover copper

Effect of nonionic surfactants on chalcopyrite leaching under dump chemical conditions.

High-temperature cyanide leaching of platinum-group metals from automobile catalysts--laboratory tests

High-temperature cyanide leaching of platinum-group metals from automobile catalysts--process development unit

Recovery of manganese from steel plant slag by carbamate leaching

Gallium and germanium recovery from domestic sources


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